Home / 85,235,226.83-117,656,600.14-55,868,451.89

Finding the Fourth Proportional to 85,235,226.83, 117,656,600.14 and 55,868,451.89

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Solution

The fourth proportional to 85,235,226.83, 117,656,600.14 and 55,868,451.89 is: 77,119,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235,226.83 : 117,656,600.14 = 55,868,451.89 : x
  2. Step 2: Convert to fraction form
    85,235,226.83/117,656,600.14 = 55,868,451.89/x
  3. Step 3: Cross multiply
    85,235,226.83x = 117,656,600.14 × 55,868,451.89
  4. Step 4: Simplify right side
    85,235,226.83x = 6,573,292,104,183,215
  5. Step 5: Solve for x
    x = 6,573,292,104,183,215/85,235,226.83
  6. Step 6: Final answer
    x = 77,119,429.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.